From: Lee Chen <achieveforce@gmail.com>
To: linux-mmc@vger.kernel.org
Subject: Re: wait_for_completion in mmc_wait_for_req_done never returns
Date: Thu, 27 Mar 2014 05:39:08 +0000 (UTC) [thread overview]
Message-ID: <loom.20140327T063548-227@post.gmane.org> (raw)
In-Reply-To: 8D4F0053-96FB-4ED3-B224-275E3CDDCFBC@gmail.com
Jon Ringle <jonringle <at> gmail.com> writes:
>
> I'm porting an arm board from linux-3.10 to linux-3.12 and found that I
can no longer detect the SD card. I
> found that the wait_for_completion(&mrq->completion) in
> drivers/mmc/core/core.c:mmc_wait_for_req_done() is never returning.
>
> I was able to bisect the problem to this commit:
> 0244ad004a54e39308d495fee0a2e637f8b5c317 is the first bad commit
> commit 0244ad004a54e39308d495fee0a2e637f8b5c317
> Author: Martin Schwidefsky <schwidefsky <at> de.ibm.com>
> Date: Fri Aug 30 09:39:53 2013 +0200
>
>
I noticed that issue as well. Did you get any response on this? I am
thinking replace the "wait_for_completion" with
"wait_for_completion_timeout". What value of the time out you think is
appropriate? I used 1000.
next prev parent reply other threads:[~2014-03-27 5:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-01 16:03 wait_for_completion in mmc_wait_for_req_done never returns Jon Ringle
2014-03-27 5:39 ` Lee Chen [this message]
2014-05-01 13:57 ` Konstantin Dorfman
2014-05-01 16:28 ` Jon Ringle
-- strict thread matches above, loose matches on Subject: below --
2014-03-01 16:10 Jon Ringle
2014-03-03 6:32 ` Jon Ringle
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